--- a/Makefile
+++ b/Makefile
@@ -628,12 +628,12 @@ KBUILD_CFLAGS	+= $(call cc-disable-warni
 KBUILD_CFLAGS	+= $(call cc-disable-warning, attribute-alias)
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS	+= -Os
+KBUILD_CFLAGS	+= -Os $(EXTRA_OPTIMIZATION)
 else
 ifdef CONFIG_PROFILE_ALL_BRANCHES
-KBUILD_CFLAGS	+= -O2
+KBUILD_CFLAGS	+= -O2 $(EXTRA_OPTIMIZATION)
 else
-KBUILD_CFLAGS   += -O2
+KBUILD_CFLAGS   += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
 endif
 endif
 
